Income Taxes - Components of Loss Before Income Tax Provision (Details) - USD ($) $ in Thousands	12 Months Ended
	Feb. 29, 2024	Feb. 28, 2023	Feb. 28, 2022
Income Tax Disclosure [Abstract]
Domestic	$ (1,244,565)	$ (925,809)	$ (187,458)
Foreign	(22,890)	(44,769)	(32,506)
Loss before income tax benefit	$ (1,267,455)	$ (970,578)	$ (219,964)